LATIN DICTIONARYLexicon Latīnum
proper noun · masculinesecond declension

Iūstīnus

Iūstīnus m sg (genitive Iūstīnī)
Classical[juːsˈtiː.nʊs]Ecclesiastical[jusˈtiː.nus]

Meaning

  1. a male given name, feminine equivalent Iūstīna, equivalent to Koine Greek Ἰουστῖνος (Ioustînos) or English Justin
  2. Justin
    a male given name of historical usage, notably borne by M. Junianus Justinus (Justin), a 2nd century CE Latin writer and historian of the Roman Empire
    a male given name of historical usage, notably borne by Saint Justin Martyr (c. 100–165 CE), early Christian apologist, philosopher, saint, and martyr

Declension

declension
formsingularplural
nominativeIūstīnus—
genitiveIūstīnī—
dativeIūstīnō—
accusativeIūstīnum—
ablativeIūstīnō—
vocativeIūstīne—

Justīnus, i, m.,
I. Justin.
I. A Roman historian in the second century of the Christian era, who made an abstract of the historical work of Trogus Pompeius.—
II. Justinus I., a Roman emperor of low birth (a swine-herd) in the sixth century of the Christian era.—
III. Justinus II., a Roman emperor in the latter half of the sixth century. —Hence, Justīnĭānus, a, um, adj., of or belonging to the emperor Justin: labores, Coripp. Laud. Just. 1, 263.—
IV. A philosopher who defended the Christians under Antoninus Pius, called also Justin Martyr, Hier. Ep. 70, 4 al.

Origins

From iūstus (“just, fair, righteous”) + -īnus, from Proto-Italic *jowestos (“just, lawful”), from Proto-Indo-European *h₂yew- (“upright; justice, law”).

Descendants
  • CatalanJustí
  • EnglishJustin
  • FrenchJustin
  • GermanJustin
  • ItalianGiustino
  • RomanianIustin
  • SardinianGiustinu
  • PortugueseJustino
  • SpanishJustín
  • GreekΙουστίνοςfrom Byzantine Greek Ἰουστῖνος

In the Academy Smith's classical dictionaries

Quick answers

What does Iūstīnus mean in Latin?
Iūstīnus, a proper noun, means “a male given name, feminine equivalent Iūstīna, equivalent to Koine Greek Ἰουστῖνος (Ioustînos) or English Justin; Justin”.
What is the genitive of Iūstīnus?
The genitive singular is Iūstīnī. Iūstīnus is masculine, second declension.
How do you pronounce Iūstīnus?
In classical Latin, [juːsˈtiː.nʊs]; in ecclesiastical (church) Latin, [jusˈtiː.nus].